80 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Dart
		
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Dart
		
	
	
	
| /*
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|  *   Famedly Matrix SDK
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|  *   Copyright (C) 2019, 2020 Famedly GmbH
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|  *
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|  *   This program is free software: you can redistribute it and/or modify
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|  *   it under the terms of the GNU Affero General Public License as
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|  *   published by the Free Software Foundation, either version 3 of the
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|  *   License, or (at your option) any later version.
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|  *
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|  *   This program is distributed in the hope that it will be useful,
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|  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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|  *   GNU Affero General Public License for more details.
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|  *
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|  *   You should have received a copy of the GNU Affero General Public License
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|  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
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|  */
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| 
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| import 'dart:convert';
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| 
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| import 'package:famedlysdk/src/utils/logs.dart';
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| import 'package:olm/olm.dart' as olm;
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| import 'package:famedlysdk/famedlysdk.dart';
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| 
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| import '../../src/database/database.dart' show DbInboundGroupSession;
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| 
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| class SessionKey {
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|   Map<String, dynamic> content;
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|   Map<String, int> indexes;
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|   olm.InboundGroupSession inboundGroupSession;
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|   final String key;
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|   List<dynamic> get forwardingCurve25519KeyChain =>
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|       content['forwarding_curve25519_key_chain'] ?? [];
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|   String get senderClaimedEd25519Key =>
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|       content['sender_claimed_ed25519_key'] ?? '';
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|   String get senderKey => content['sender_key'] ?? '';
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|   bool get isValid => inboundGroupSession != null;
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| 
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|   SessionKey({this.content, this.inboundGroupSession, this.key, this.indexes});
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| 
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|   SessionKey.fromDb(DbInboundGroupSession dbEntry, String key) : key = key {
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|     final parsedContent = Event.getMapFromPayload(dbEntry.content);
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|     final parsedIndexes = Event.getMapFromPayload(dbEntry.indexes);
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|     content =
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|         parsedContent != null ? Map<String, dynamic>.from(parsedContent) : null;
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|     indexes = parsedIndexes != null
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|         ? Map<String, int>.from(parsedIndexes)
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|         : <String, int>{};
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|     inboundGroupSession = olm.InboundGroupSession();
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|     try {
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|       inboundGroupSession.unpickle(key, dbEntry.pickle);
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|     } catch (e, s) {
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|       dispose();
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|       Logs.error(
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|           '[LibOlm] Unable to unpickle inboundGroupSession: ' + e.toString(),
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|           s);
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|     }
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|   }
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| 
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|   Map<String, dynamic> toJson() {
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|     final data = <String, dynamic>{};
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|     if (content != null) {
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|       data['content'] = content;
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|     }
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|     if (indexes != null) {
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|       data['indexes'] = indexes;
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|     }
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|     data['inboundGroupSession'] = inboundGroupSession.pickle(key);
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|     return data;
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|   }
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| 
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|   void dispose() {
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|     inboundGroupSession?.free();
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|     inboundGroupSession = null;
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|   }
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| 
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|   @override
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|   String toString() => json.encode(toJson());
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| }
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